Mitsubishi Electric QJ71LP21 Reference Manual page 342

APPENDIX
Number Name Meaning
No. of modules
SD340
installed
SD341
SD342
SD343
SD344 Informa-
tion of 1st
module
SD345 to
Ethernet
SD346
information
SD347
SD348 to Information from 2nd
SD354 module
SD355 to Information from 3rd
SD361 module
SD362 to Information from
SD368 4th module
Number Name Meaning
Service
interval
SD550 Unit/module No.
measureme
nt module
Module service
SD551 interval
(in 1 ms units)
Service
interval time Module service
SD552
interval
(in 100 µs units)
App - 38
Special Register List (Continued)
• Indicates the number of modules installed on Ethernet.
I/O No. • Ethernet I/O No. of the 1st module installed.
Network
• Ethernet network No. of the 1st module installed.
No.
Group No. • Ethernet group No. of the 1st module installed.
Station
• Ethernet station No. of the 1st module installed.
No.
• Vacant
Vacant (With QCPU, the Ethernet IP address of the 1st module is stored
in buffer memory.)
• Vacant
Vacant (With QCPU, the Ethernet error code of the 1st module is read
with the ERRRD instruction.)
• Configuration is identical to that for the first module.
• Configuration is identical to that for the first module.
• Configuration is identical to that for the first module.
(3) Scan Information
• Sets I/O number for module that measures service interval
• When SM551 is ON, stores service interval for module
designated by SD550. (in 1 ms units)
• Range from 0 to 65535
• When SM551 is ON, stores service interval for module
designated by SD550. (in 100 µs units)
• Range from 000 to 900
Explanation
Explanation
MELSEC-Q
Corresponding
Set by Corresponding
ACPU
(When set)
D9
S (Initial) New
S (Initial) New
Corresponding
Set by Corresponding
ACPU
(When set)
D9
U New
S
New
(Request)
App - 38
CPU
QCPU
Remote
CPU
+ Rem